Assignee
No assignee recorded.
Inventors
- Alexei D. Terskov (11 patents)
- Vladimir D. Plavskikh (8 patents)
- Alexandr D. Kostylev (20 patents)
- Unknown
- Nikolai P. Chepurnoi (7 patents)
- Evgeny N. Cherednikov (2 patents)
- Andron T. Karavaev (3 patents)
US Patent 4819741 · Granted Apr 11, 1989
No assignee recorded.